/// <summary> /// Creates a new surface from array memory. Allocates new array. /// </summary> /// <param name="kernel"></param> /// <param name="surfName"></param> /// <param name="flags"></param> /// <param name="format"></param> /// <param name="width">In elements</param> /// <param name="height">In elements</param> /// <param name="depth">In elements</param> /// <param name="numChannels"></param> /// <param name="arrayFlags"></param> public CudaSurface(CudaKernel kernel, string surfName, CUSurfRefSetFlags flags, CUArrayFormat format, SizeT width, SizeT height, SizeT depth, CudaArray3DNumChannels numChannels, CUDAArray3DFlags arrayFlags) { _surfref = new CUsurfref(); res = DriverAPINativeMethods.ModuleManagement.cuModuleGetSurfRef(ref _surfref, kernel.CUModule, surfName); Debug.WriteLine(String.Format("{0:G}, {1}: {2}, Surface name: {3}", DateTime.Now, "cuModuleGetSurfRef", res, surfName)); if (res != CUResult.Success) throw new CudaException(res); _flags = flags; _format = format; _height = height; _width = width; _depth = depth; _numChannels = (int)numChannels; _name = surfName; _module = kernel.CUModule; _cufunction = kernel.CUFunction; _channelSize = CudaHelperMethods.GetChannelSize(format); _dataSize = height * width * depth * _numChannels * _channelSize; _array = new CudaArray3D(format, width, height, depth, numChannels, arrayFlags); res = DriverAPINativeMethods.SurfaceReferenceManagement.cuSurfRefSetArray(_surfref, _array.CUArray, flags); Debug.WriteLine(String.Format("{0:G}, {1}: {2}", DateTime.Now, "cuSurfRefSetArray", res)); if (res != CUResult.Success) throw new CudaException(res); }
public static extern CUResult cuModuleGetSurfRef(ref CUsurfref pSurfRef, CUmodule hmod, string name);
public static extern CUResult cuSurfRefGetArray( ref CUarray phArray, CUsurfref hSurfRef );
public static extern CUResult cuSurfRefSetArray(CUsurfref hSurfRef, CUarray hArray, CUSurfRefSetFlags Flags);
/// <summary> /// Creates a new surface from array memory. /// </summary> /// <param name="kernel"></param> /// <param name="surfName"></param> /// <param name="flags"></param> /// <param name="array"></param> public CudaSurface(CudaKernel kernel, string surfName, CUSurfRefSetFlags flags, CudaArray3D array) { _surfref = new CUsurfref(); res = DriverAPINativeMethods.ModuleManagement.cuModuleGetSurfRef(ref _surfref, kernel.CUModule, surfName); Debug.WriteLine(String.Format("{0:G}, {1}: {2}, Surface name: {3}", DateTime.Now, "cuModuleGetSurfRef", res, surfName)); if (res != CUResult.Success) throw new CudaException(res); _flags = flags; _format = array.Array3DDescriptor.Format; _height = array.Height; _width = array.Width; _depth = array.Depth; _numChannels = (int)array.Array3DDescriptor.NumChannels; _name = surfName; _module = kernel.CUModule; _cufunction = kernel.CUFunction; _channelSize = CudaHelperMethods.GetChannelSize(array.Array3DDescriptor.Format); _dataSize = array.Height * array.Width * array.Depth * array.Array3DDescriptor.NumChannels * _channelSize; _array = array; res = DriverAPINativeMethods.SurfaceReferenceManagement.cuSurfRefSetArray(_surfref, _array.CUArray, flags); Debug.WriteLine(String.Format("{0:G}, {1}: {2}", DateTime.Now, "cuSurfRefSetArray", res)); if (res != CUResult.Success) throw new CudaException(res); }
/// <summary> /// Bind a CudaArray3D to a surface reference. /// </summary> /// <param name="kernel"></param> /// <param name="surfName"></param> /// <param name="flags"></param> /// <param name="array"></param> public static void BindArray(CudaKernel kernel, string surfName, CUSurfRefSetFlags flags, CudaArray3D array) { CUsurfref surfref = new CUsurfref(); CUResult res = DriverAPINativeMethods.ModuleManagement.cuModuleGetSurfRef(ref surfref, kernel.CUModule, surfName); Debug.WriteLine(String.Format("{0:G}, {1}: {2}, Surface name: {3}", DateTime.Now, "cuModuleGetSurfRef", res, surfName)); if (res != CUResult.Success) throw new CudaException(res); res = DriverAPINativeMethods.SurfaceReferenceManagement.cuSurfRefSetArray(surfref, array.CUArray, flags); Debug.WriteLine(String.Format("{0:G}, {1}: {2}", DateTime.Now, "cuSurfRefSetArray", res)); if (res != CUResult.Success) throw new CudaException(res); }
/// <summary> /// Create a new CudaArray3D and bind it to a surface reference. /// </summary> /// <param name="kernel"></param> /// <param name="surfName"></param> /// <param name="flags"></param> /// <param name="format"></param> /// <param name="width">In elements</param> /// <param name="height">In elements</param> /// <param name="depth">In elements</param> /// <param name="numChannels"></param> /// <param name="arrayFlags"></param> public static CudaArray3D BindArray(CudaKernel kernel, string surfName, CUSurfRefSetFlags flags, CUArrayFormat format, SizeT width, SizeT height, SizeT depth, CudaArray3DNumChannels numChannels, CUDAArray3DFlags arrayFlags) { CUsurfref surfref = new CUsurfref(); CUResult res = DriverAPINativeMethods.ModuleManagement.cuModuleGetSurfRef(ref surfref, kernel.CUModule, surfName); Debug.WriteLine(String.Format("{0:G}, {1}: {2}, Surface name: {3}", DateTime.Now, "cuModuleGetSurfRef", res, surfName)); if (res != CUResult.Success) throw new CudaException(res); CudaArray3D array = new CudaArray3D(format, width, height, depth, numChannels, arrayFlags); res = DriverAPINativeMethods.SurfaceReferenceManagement.cuSurfRefSetArray(surfref, array.CUArray, flags); Debug.WriteLine(String.Format("{0:G}, {1}: {2}", DateTime.Now, "cuSurfRefSetArray", res)); if (res != CUResult.Success) throw new CudaException(res); return array; }